Home / 3,615.48-4,987.44-2,437.20

Finding the Fourth Proportional to 3,615.48, 4,987.44 and 2,437.20

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Solution

The fourth proportional to 3,615.48, 4,987.44 and 2,437.20 is: 3,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.48 : 4,987.44 = 2,437.20 : x
  2. Step 2: Convert to fraction form
    3,615.48/4,987.44 = 2,437.20/x
  3. Step 3: Cross multiply
    3,615.48x = 4,987.44 × 2,437.20
  4. Step 4: Simplify right side
    3,615.48x = 12,155,388.77
  5. Step 5: Solve for x
    x = 12,155,388.77/3,615.48
  6. Step 6: Final answer
    x = 3,362.04

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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.