Home / 5,048.65-6,970.56-3,160.99

Finding the Fourth Proportional to 5,048.65, 6,970.56 and 3,160.99

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Solution

The fourth proportional to 5,048.65, 6,970.56 and 3,160.99 is: 4,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.65 : 6,970.56 = 3,160.99 : x
  2. Step 2: Convert to fraction form
    5,048.65/6,970.56 = 3,160.99/x
  3. Step 3: Cross multiply
    5,048.65x = 6,970.56 × 3,160.99
  4. Step 4: Simplify right side
    5,048.65x = 22,033,870.45
  5. Step 5: Solve for x
    x = 22,033,870.45/5,048.65
  6. Step 6: Final answer
    x = 4,364.31

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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.