Home / 1,631.18-2,444.47-1,264.25

Finding the Fourth Proportional to 1,631.18, 2,444.47 and 1,264.25

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Solution

The fourth proportional to 1,631.18, 2,444.47 and 1,264.25 is: 1,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.18 : 2,444.47 = 1,264.25 : x
  2. Step 2: Convert to fraction form
    1,631.18/2,444.47 = 1,264.25/x
  3. Step 3: Cross multiply
    1,631.18x = 2,444.47 × 1,264.25
  4. Step 4: Simplify right side
    1,631.18x = 3,090,421.20
  5. Step 5: Solve for x
    x = 3,090,421.20/1,631.18
  6. Step 6: Final answer
    x = 1,894.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.