Home / 2,970.68-4,458.74-1,510.84

Finding the Fourth Proportional to 2,970.68, 4,458.74 and 1,510.84

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Solution

The fourth proportional to 2,970.68, 4,458.74 and 1,510.84 is: 2,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.68 : 4,458.74 = 1,510.84 : x
  2. Step 2: Convert to fraction form
    2,970.68/4,458.74 = 1,510.84/x
  3. Step 3: Cross multiply
    2,970.68x = 4,458.74 × 1,510.84
  4. Step 4: Simplify right side
    2,970.68x = 6,736,442.74
  5. Step 5: Solve for x
    x = 6,736,442.74/2,970.68
  6. Step 6: Final answer
    x = 2,267.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.