Home / 7,351.12-10,144.74-4,208.32

Finding the Fourth Proportional to 7,351.12, 10,144.74 and 4,208.32

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Solution

The fourth proportional to 7,351.12, 10,144.74 and 4,208.32 is: 5,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.12 : 10,144.74 = 4,208.32 : x
  2. Step 2: Convert to fraction form
    7,351.12/10,144.74 = 4,208.32/x
  3. Step 3: Cross multiply
    7,351.12x = 10,144.74 × 4,208.32
  4. Step 4: Simplify right side
    7,351.12x = 42,692,312.24
  5. Step 5: Solve for x
    x = 42,692,312.24/7,351.12
  6. Step 6: Final answer
    x = 5,807.59

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1.5x scale

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.