Home / 1,762.65-2,432.30-1,054.35

Finding the Fourth Proportional to 1,762.65, 2,432.30 and 1,054.35

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Solution

The fourth proportional to 1,762.65, 2,432.30 and 1,054.35 is: 1,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.65 : 2,432.30 = 1,054.35 : x
  2. Step 2: Convert to fraction form
    1,762.65/2,432.30 = 1,054.35/x
  3. Step 3: Cross multiply
    1,762.65x = 2,432.30 × 1,054.35
  4. Step 4: Simplify right side
    1,762.65x = 2,564,490.23
  5. Step 5: Solve for x
    x = 2,564,490.23/1,762.65
  6. Step 6: Final answer
    x = 1,454.91

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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.