Home / 1,819.12-2,510.04-1,032.88

Finding the Fourth Proportional to 1,819.12, 2,510.04 and 1,032.88

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Solution

The fourth proportional to 1,819.12, 2,510.04 and 1,032.88 is: 1,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.12 : 2,510.04 = 1,032.88 : x
  2. Step 2: Convert to fraction form
    1,819.12/2,510.04 = 1,032.88/x
  3. Step 3: Cross multiply
    1,819.12x = 2,510.04 × 1,032.88
  4. Step 4: Simplify right side
    1,819.12x = 2,592,570.12
  5. Step 5: Solve for x
    x = 2,592,570.12/1,819.12
  6. Step 6: Final answer
    x = 1,425.18

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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.