Home / 5,475.65-7,557.18-3,118.01

Finding the Fourth Proportional to 5,475.65, 7,557.18 and 3,118.01

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Solution

The fourth proportional to 5,475.65, 7,557.18 and 3,118.01 is: 4,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.65 : 7,557.18 = 3,118.01 : x
  2. Step 2: Convert to fraction form
    5,475.65/7,557.18 = 3,118.01/x
  3. Step 3: Cross multiply
    5,475.65x = 7,557.18 × 3,118.01
  4. Step 4: Simplify right side
    5,475.65x = 23,563,362.81
  5. Step 5: Solve for x
    x = 23,563,362.81/5,475.65
  6. Step 6: Final answer
    x = 4,303.30

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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.