Home / 2,865.77-4,318.18-2,357.16

Finding the Fourth Proportional to 2,865.77, 4,318.18 and 2,357.16

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Solution

The fourth proportional to 2,865.77, 4,318.18 and 2,357.16 is: 3,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.77 : 4,318.18 = 2,357.16 : x
  2. Step 2: Convert to fraction form
    2,865.77/4,318.18 = 2,357.16/x
  3. Step 3: Cross multiply
    2,865.77x = 4,318.18 × 2,357.16
  4. Step 4: Simplify right side
    2,865.77x = 10,178,641.17
  5. Step 5: Solve for x
    x = 10,178,641.17/2,865.77
  6. Step 6: Final answer
    x = 3,551.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.