Home / 7,291.65-10,058.88-4,639.92

Finding the Fourth Proportional to 7,291.65, 10,058.88 and 4,639.92

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Solution

The fourth proportional to 7,291.65, 10,058.88 and 4,639.92 is: 6,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.65 : 10,058.88 = 4,639.92 : x
  2. Step 2: Convert to fraction form
    7,291.65/10,058.88 = 4,639.92/x
  3. Step 3: Cross multiply
    7,291.65x = 10,058.88 × 4,639.92
  4. Step 4: Simplify right side
    7,291.65x = 46,672,398.49
  5. Step 5: Solve for x
    x = 46,672,398.49/7,291.65
  6. Step 6: Final answer
    x = 6,400.80

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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.