Home / 1,557.28-2,336.37-583.45

Finding the Fourth Proportional to 1,557.28, 2,336.37 and 583.45

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Solution

The fourth proportional to 1,557.28, 2,336.37 and 583.45 is: 875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.28 : 2,336.37 = 583.45 : x
  2. Step 2: Convert to fraction form
    1,557.28/2,336.37 = 583.45/x
  3. Step 3: Cross multiply
    1,557.28x = 2,336.37 × 583.45
  4. Step 4: Simplify right side
    1,557.28x = 1,363,161.83
  5. Step 5: Solve for x
    x = 1,363,161.83/1,557.28
  6. Step 6: Final answer
    x = 875.35

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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.