Home / 7,358.16-10,152.40-4,171.52

Finding the Fourth Proportional to 7,358.16, 10,152.40 and 4,171.52

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Solution

The fourth proportional to 7,358.16, 10,152.40 and 4,171.52 is: 5,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.16 : 10,152.40 = 4,171.52 : x
  2. Step 2: Convert to fraction form
    7,358.16/10,152.40 = 4,171.52/x
  3. Step 3: Cross multiply
    7,358.16x = 10,152.40 × 4,171.52
  4. Step 4: Simplify right side
    7,358.16x = 42,350,939.65
  5. Step 5: Solve for x
    x = 42,350,939.65/7,358.16
  6. Step 6: Final answer
    x = 5,755.64

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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.