Home / 7,513.20-10,368.02-4,155.92

Finding the Fourth Proportional to 7,513.20, 10,368.02 and 4,155.92

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Solution

The fourth proportional to 7,513.20, 10,368.02 and 4,155.92 is: 5,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.20 : 10,368.02 = 4,155.92 : x
  2. Step 2: Convert to fraction form
    7,513.20/10,368.02 = 4,155.92/x
  3. Step 3: Cross multiply
    7,513.20x = 10,368.02 × 4,155.92
  4. Step 4: Simplify right side
    7,513.20x = 43,088,661.68
  5. Step 5: Solve for x
    x = 43,088,661.68/7,513.20
  6. Step 6: Final answer
    x = 5,735.06

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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.