Home / 7,398.85-10,210.40-4,255.04

Finding the Fourth Proportional to 7,398.85, 10,210.40 and 4,255.04

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Solution

The fourth proportional to 7,398.85, 10,210.40 and 4,255.04 is: 5,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.85 : 10,210.40 = 4,255.04 : x
  2. Step 2: Convert to fraction form
    7,398.85/10,210.40 = 4,255.04/x
  3. Step 3: Cross multiply
    7,398.85x = 10,210.40 × 4,255.04
  4. Step 4: Simplify right side
    7,398.85x = 43,445,620.00
  5. Step 5: Solve for x
    x = 43,445,620.00/7,398.85
  6. Step 6: Final answer
    x = 5,871.94

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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.