Home / 5,368.37-7,421.67-5,319.14

Finding the Fourth Proportional to 5,368.37, 7,421.67 and 5,319.14

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Solution

The fourth proportional to 5,368.37, 7,421.67 and 5,319.14 is: 7,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.37 : 7,421.67 = 5,319.14 : x
  2. Step 2: Convert to fraction form
    5,368.37/7,421.67 = 5,319.14/x
  3. Step 3: Cross multiply
    5,368.37x = 7,421.67 × 5,319.14
  4. Step 4: Simplify right side
    5,368.37x = 39,476,901.76
  5. Step 5: Solve for x
    x = 39,476,901.76/5,368.37
  6. Step 6: Final answer
    x = 7,353.61

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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.