Home / 6,437.04-8,883.86-3,920.62

Finding the Fourth Proportional to 6,437.04, 8,883.86 and 3,920.62

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Solution

The fourth proportional to 6,437.04, 8,883.86 and 3,920.62 is: 5,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.04 : 8,883.86 = 3,920.62 : x
  2. Step 2: Convert to fraction form
    6,437.04/8,883.86 = 3,920.62/x
  3. Step 3: Cross multiply
    6,437.04x = 8,883.86 × 3,920.62
  4. Step 4: Simplify right side
    6,437.04x = 34,830,239.19
  5. Step 5: Solve for x
    x = 34,830,239.19/6,437.04
  6. Step 6: Final answer
    x = 5,410.91

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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.