Home / 7,048.47-9,726.77-3,861.74

Finding the Fourth Proportional to 7,048.47, 9,726.77 and 3,861.74

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Solution

The fourth proportional to 7,048.47, 9,726.77 and 3,861.74 is: 5,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.47 : 9,726.77 = 3,861.74 : x
  2. Step 2: Convert to fraction form
    7,048.47/9,726.77 = 3,861.74/x
  3. Step 3: Cross multiply
    7,048.47x = 9,726.77 × 3,861.74
  4. Step 4: Simplify right side
    7,048.47x = 37,562,256.78
  5. Step 5: Solve for x
    x = 37,562,256.78/7,048.47
  6. Step 6: Final answer
    x = 5,329.14

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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.