Home / 2,569.13-3,545.40-1,783.63

Finding the Fourth Proportional to 2,569.13, 3,545.40 and 1,783.63

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Solution

The fourth proportional to 2,569.13, 3,545.40 and 1,783.63 is: 2,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.13 : 3,545.40 = 1,783.63 : x
  2. Step 2: Convert to fraction form
    2,569.13/3,545.40 = 1,783.63/x
  3. Step 3: Cross multiply
    2,569.13x = 3,545.40 × 1,783.63
  4. Step 4: Simplify right side
    2,569.13x = 6,323,667.90
  5. Step 5: Solve for x
    x = 6,323,667.90/2,569.13
  6. Step 6: Final answer
    x = 2,461.41

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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.