Home / 2,084.84-2,877.10-1,140.62

Finding the Fourth Proportional to 2,084.84, 2,877.10 and 1,140.62

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Solution

The fourth proportional to 2,084.84, 2,877.10 and 1,140.62 is: 1,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.84 : 2,877.10 = 1,140.62 : x
  2. Step 2: Convert to fraction form
    2,084.84/2,877.10 = 1,140.62/x
  3. Step 3: Cross multiply
    2,084.84x = 2,877.10 × 1,140.62
  4. Step 4: Simplify right side
    2,084.84x = 3,281,677.80
  5. Step 5: Solve for x
    x = 3,281,677.80/2,084.84
  6. Step 6: Final answer
    x = 1,574.07

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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.