Home / 3,740.08-5,611.32-1,275.10

Finding the Fourth Proportional to 3,740.08, 5,611.32 and 1,275.10

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Solution

The fourth proportional to 3,740.08, 5,611.32 and 1,275.10 is: 1,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.08 : 5,611.32 = 1,275.10 : x
  2. Step 2: Convert to fraction form
    3,740.08/5,611.32 = 1,275.10/x
  3. Step 3: Cross multiply
    3,740.08x = 5,611.32 × 1,275.10
  4. Step 4: Simplify right side
    3,740.08x = 7,154,994.13
  5. Step 5: Solve for x
    x = 7,154,994.13/3,740.08
  6. Step 6: Final answer
    x = 1,913.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.