Home / 7,615.13-10,510.09-4,470.71

Finding the Fourth Proportional to 7,615.13, 10,510.09 and 4,470.71

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Solution

The fourth proportional to 7,615.13, 10,510.09 and 4,470.71 is: 6,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.13 : 10,510.09 = 4,470.71 : x
  2. Step 2: Convert to fraction form
    7,615.13/10,510.09 = 4,470.71/x
  3. Step 3: Cross multiply
    7,615.13x = 10,510.09 × 4,470.71
  4. Step 4: Simplify right side
    7,615.13x = 46,987,500.74
  5. Step 5: Solve for x
    x = 46,987,500.74/7,615.13
  6. Step 6: Final answer
    x = 6,170.29

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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.