Home / 3,529.50-4,870.73-1,957.60

Finding the Fourth Proportional to 3,529.50, 4,870.73 and 1,957.60

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Solution

The fourth proportional to 3,529.50, 4,870.73 and 1,957.60 is: 2,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.50 : 4,870.73 = 1,957.60 : x
  2. Step 2: Convert to fraction form
    3,529.50/4,870.73 = 1,957.60/x
  3. Step 3: Cross multiply
    3,529.50x = 4,870.73 × 1,957.60
  4. Step 4: Simplify right side
    3,529.50x = 9,534,933.77
  5. Step 5: Solve for x
    x = 9,534,933.77/3,529.50
  6. Step 6: Final answer
    x = 2,701.50

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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.