Home / 5,670.19-7,830.84-5,051.76

Finding the Fourth Proportional to 5,670.19, 7,830.84 and 5,051.76

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Solution

The fourth proportional to 5,670.19, 7,830.84 and 5,051.76 is: 6,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.19 : 7,830.84 = 5,051.76 : x
  2. Step 2: Convert to fraction form
    5,670.19/7,830.84 = 5,051.76/x
  3. Step 3: Cross multiply
    5,670.19x = 7,830.84 × 5,051.76
  4. Step 4: Simplify right side
    5,670.19x = 39,559,524.28
  5. Step 5: Solve for x
    x = 39,559,524.28/5,670.19
  6. Step 6: Final answer
    x = 6,976.75

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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.