Home / 1,551.08-2,326.23-926.55

Finding the Fourth Proportional to 1,551.08, 2,326.23 and 926.55

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Solution

The fourth proportional to 1,551.08, 2,326.23 and 926.55 is: 1,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.08 : 2,326.23 = 926.55 : x
  2. Step 2: Convert to fraction form
    1,551.08/2,326.23 = 926.55/x
  3. Step 3: Cross multiply
    1,551.08x = 2,326.23 × 926.55
  4. Step 4: Simplify right side
    1,551.08x = 2,155,368.41
  5. Step 5: Solve for x
    x = 2,155,368.41/1,551.08
  6. Step 6: Final answer
    x = 1,389.60

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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.