Home / 2,425.18-3,345.14-2,240.63

Finding the Fourth Proportional to 2,425.18, 3,345.14 and 2,240.63

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Solution

The fourth proportional to 2,425.18, 3,345.14 and 2,240.63 is: 3,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.18 : 3,345.14 = 2,240.63 : x
  2. Step 2: Convert to fraction form
    2,425.18/3,345.14 = 2,240.63/x
  3. Step 3: Cross multiply
    2,425.18x = 3,345.14 × 2,240.63
  4. Step 4: Simplify right side
    2,425.18x = 7,495,235.00
  5. Step 5: Solve for x
    x = 7,495,235.00/2,425.18
  6. Step 6: Final answer
    x = 3,090.59

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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.