Home / 2,055.68-2,836.84-1,124.18

Finding the Fourth Proportional to 2,055.68, 2,836.84 and 1,124.18

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Solution

The fourth proportional to 2,055.68, 2,836.84 and 1,124.18 is: 1,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.68 : 2,836.84 = 1,124.18 : x
  2. Step 2: Convert to fraction form
    2,055.68/2,836.84 = 1,124.18/x
  3. Step 3: Cross multiply
    2,055.68x = 2,836.84 × 1,124.18
  4. Step 4: Simplify right side
    2,055.68x = 3,189,118.79
  5. Step 5: Solve for x
    x = 3,189,118.79/2,055.68
  6. Step 6: Final answer
    x = 1,551.37

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Half scale
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Double scale
Find fourth proportional to 2,056.68, 2,838.22 and 1,125.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.