Home / 5,235.04-7,212.72-3,368.80

Finding the Fourth Proportional to 5,235.04, 7,212.72 and 3,368.80

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Solution

The fourth proportional to 5,235.04, 7,212.72 and 3,368.80 is: 4,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.04 : 7,212.72 = 3,368.80 : x
  2. Step 2: Convert to fraction form
    5,235.04/7,212.72 = 3,368.80/x
  3. Step 3: Cross multiply
    5,235.04x = 7,212.72 × 3,368.80
  4. Step 4: Simplify right side
    5,235.04x = 24,298,211.14
  5. Step 5: Solve for x
    x = 24,298,211.14/5,235.04
  6. Step 6: Final answer
    x = 4,641.46

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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.