Home / 6,291.48-8,680.55-4,051.52

Finding the Fourth Proportional to 6,291.48, 8,680.55 and 4,051.52

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Solution

The fourth proportional to 6,291.48, 8,680.55 and 4,051.52 is: 5,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.48 : 8,680.55 = 4,051.52 : x
  2. Step 2: Convert to fraction form
    6,291.48/8,680.55 = 4,051.52/x
  3. Step 3: Cross multiply
    6,291.48x = 8,680.55 × 4,051.52
  4. Step 4: Simplify right side
    6,291.48x = 35,169,358.28
  5. Step 5: Solve for x
    x = 35,169,358.28/6,291.48
  6. Step 6: Final answer
    x = 5,590.00

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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.