Home / 5,290.17-7,303.75-3,405.02

Finding the Fourth Proportional to 5,290.17, 7,303.75 and 3,405.02

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Solution

The fourth proportional to 5,290.17, 7,303.75 and 3,405.02 is: 4,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.17 : 7,303.75 = 3,405.02 : x
  2. Step 2: Convert to fraction form
    5,290.17/7,303.75 = 3,405.02/x
  3. Step 3: Cross multiply
    5,290.17x = 7,303.75 × 3,405.02
  4. Step 4: Simplify right side
    5,290.17x = 24,869,424.57
  5. Step 5: Solve for x
    x = 24,869,424.57/5,290.17
  6. Step 6: Final answer
    x = 4,701.06

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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.