Home / 2,368.02-3,551.90-980.96

Finding the Fourth Proportional to 2,368.02, 3,551.90 and 980.96

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Solution

The fourth proportional to 2,368.02, 3,551.90 and 980.96 is: 1,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.02 : 3,551.90 = 980.96 : x
  2. Step 2: Convert to fraction form
    2,368.02/3,551.90 = 980.96/x
  3. Step 3: Cross multiply
    2,368.02x = 3,551.90 × 980.96
  4. Step 4: Simplify right side
    2,368.02x = 3,484,271.82
  5. Step 5: Solve for x
    x = 3,484,271.82/2,368.02
  6. Step 6: Final answer
    x = 1,471.39

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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.