Home / 5,050.98-6,970.23-2,812.77

Finding the Fourth Proportional to 5,050.98, 6,970.23 and 2,812.77

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Solution

The fourth proportional to 5,050.98, 6,970.23 and 2,812.77 is: 3,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.98 : 6,970.23 = 2,812.77 : x
  2. Step 2: Convert to fraction form
    5,050.98/6,970.23 = 2,812.77/x
  3. Step 3: Cross multiply
    5,050.98x = 6,970.23 × 2,812.77
  4. Step 4: Simplify right side
    5,050.98x = 19,605,653.84
  5. Step 5: Solve for x
    x = 19,605,653.84/5,050.98
  6. Step 6: Final answer
    x = 3,881.55

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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.