Home / 5,707.65-7,878.98-3,470.24

Finding the Fourth Proportional to 5,707.65, 7,878.98 and 3,470.24

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Solution

The fourth proportional to 5,707.65, 7,878.98 and 3,470.24 is: 4,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.65 : 7,878.98 = 3,470.24 : x
  2. Step 2: Convert to fraction form
    5,707.65/7,878.98 = 3,470.24/x
  3. Step 3: Cross multiply
    5,707.65x = 7,878.98 × 3,470.24
  4. Step 4: Simplify right side
    5,707.65x = 27,341,900.13
  5. Step 5: Solve for x
    x = 27,341,900.13/5,707.65
  6. Step 6: Final answer
    x = 4,790.40

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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.